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Changes in Accumulated Other Comprehensive Income (Notes)
9 Months Ended
Sep. 30, 2020
Changes of Accumulated Other Comprehensive Income [Abstract]  
Changes in Accumulated Other Comprehensive Loss Changes in Accumulated Other Comprehensive Loss
Following is a summary of changes in “Accumulated other comprehensive loss” for the Successor three and nine months ended September 30, 2020. The Successor period July 2, 2019 through September 30, 2019 and the Predecessor period January 1, 2019 through July 1, 2019:
Defined Benefit Pension and Postretirement PlansForeign Currency Translation AdjustmentsCash Flow HedgeTotal
Predecessor
Balance at December 31, 2018$(1)$(17)$— $(18)
Change in value— (8)— (8)
Eliminiation of Predecessor Company accumulated other comprehensive loss25 — 26 
Balance at July 1, 2019$— $— $— $— 
Successor
Balance at July 2, 2019$— $— $— $— 
Change in value— (16)— (16)
Balance at September 30, 2019$— $(16)$— $(16)
Balance at June 30, 2020$— $(39)$(16)$(55)
Change in value— (1)
Balance at September 30, 2020
$— $(32)$(17)$(49)
Balance at December 31, 2019
$— $(3)$$(1)
Change in value— (29)(19)(48)
Balance at September 30, 2020
$— $(32)$(17)$(49)